[tz] Time zone selection

Brian Inglis Brian.Inglis at systematicsw.ab.ca
Fri Apr 22 18:52:18 UTC 2016

On 2016-04-22 11:44, Lester Caine wrote:
> One of the complaints has been that there are too many sets of timezone
> rules, but combining several zones that NOW have the same set of rules
> misses the point that there IS a lot of historic material and looking
> back at even just as far as the 2nd world war requires subtle
> differences. It would seem that the historic changes in Russian
> locations are also now getting accurate amendments to the rules, and
> simply hiding that information in 'backzone' needs to be clearly
> displayed when people using calendars that have 'simplified things' by
> stripping anything prior to 1970. Something substantial to prevent users
> from being given any offsets when the data is not available.

Return -1 for all dates prior to the epoch if zone1970.tab was used to build?

Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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